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Contents
require 'delegate' require 'active_support/core_ext/object/blank' require 'active_support/inflector' require 'link_thumbnailer/parser' require 'link_thumbnailer/models/website' require 'link_thumbnailer/scrapers/default/title' require 'link_thumbnailer/scrapers/opengraph/title' require 'link_thumbnailer/scrapers/default/description' require 'link_thumbnailer/scrapers/opengraph/description' require 'link_thumbnailer/scrapers/default/images' require 'link_thumbnailer/scrapers/opengraph/images' require 'link_thumbnailer/scrapers/default/videos' require 'link_thumbnailer/scrapers/opengraph/videos' require 'link_thumbnailer/scrapers/default/favicon' require 'link_thumbnailer/scrapers/opengraph/favicon' module LinkThumbnailer class Scraper < ::SimpleDelegator attr_reader :document, :source, :url, :config, :website def initialize(source, url) @source = source @url = url @config = ::LinkThumbnailer.page.config @document = parser.call(source) @website = ::LinkThumbnailer::Models::Website.new @website.url = url super(config) end def call config.attributes.each do |name| config.scrapers.each do |scraper_prefix| scraper_class(scraper_prefix, name).new(document, website).call(name.to_s) break unless website.send(name).blank? end end website end private def scraper_class(prefix, name) prefix = "::LinkThumbnailer::Scrapers::#{prefix.to_s.camelize}" name = name.to_s.camelize "#{prefix}::#{name}".constantize rescue NameError raise ::LinkThumbnailer::ScraperInvalid, "scraper named '#{prefix}::#{name}' does not exists." end def parser ::LinkThumbnailer::Parser.new end end end
Version data entries
4 entries across 4 versions & 1 rubygems